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例如建造更多的净化水系统，收集雨水等等。
Such as build more systems to clean-up the water, and collect the rainwater.
youdao
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雨水和废水的收集系统将是分离的；
Collection system of rain water and waste water are divided;
youdao
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雨水和废水的收集系统将是分离的；
Collection system of rain water and waste water are divided;
youdao